package com.ssx.cloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

/**
 * @Package com.ssx.cloud.service
 * @ClassName PaymentService
 * @Copyright: Copyright (c) 2020
 * @Date 2020/11/21 22:07
 * @Company www.sudaoxi.com.cn
 * @Author 苏道羲
 * @Version 1.0
 * @Description
 */
@Service
public class PaymentService {
    /**
     * 正常访问，肯定ok
     *
     * @param id
     * @return
     */
    public String paymentinfo_OK(Integer id) {
        return "线程池： " + Thread.currentThread().getName() + "  paymentinfo_OK ,id: " + id + "\t" + "O(∩_∩)O哈哈~";
    }

    @HystrixCommand(fallbackMethod = "paymentinfo_TimeoutHandler", commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds", value = "3000")
    })  //服务降级
    public String paymentinfo_Timeout(Integer id) {
//        int time=1/0;
        int time = 5;
        try {
            TimeUnit.SECONDS.sleep(time);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "线程池： " + Thread.currentThread().getName()
                + "  paymentinfo_Timeout ,id: " + id + "\t" + "TAT耗时" + time + "秒";
    }

    public String paymentinfo_TimeoutHandler(Integer id) {
        return "线程池： " + Thread.currentThread().getName()
                + "8001运行超时或运行出错，请稍后再试 ,id: " + id + "\t" + "o(╥﹏╥)o";
    }

    @HystrixCommand(fallbackMethod = "circuitBreaker_fallback", commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled", value = "true"),  //是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold", value = "10"),  //请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds", value = "10000"),  //时间窗口期
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage", value = "60"),  //失败率达到多少跳闸
    })
    public String CircuitBreaker(@PathVariable("id") Integer id) {
        if (id < 0) {
            throw new RuntimeException("****id不能为负数");
        }
        String serialNumber = IdUtil.simpleUUID();
        return Thread.currentThread().getName() + "\t" + "调用成功，流水号：" + serialNumber;
    }

    public String circuitBreaker_fallback(@PathVariable("id") Integer id) {
        return "***id 不能小于0，请稍后再试，o(╥﹏╥)o,id: " + id;
    }

}
